V.18-27 The Sadducees did not believe in resurrection. So they try to corner Him with this supposed case. The blessed Lord Jesus not only has all the answers, but He Himself is the answer to all our problems and questions. God is a living God, and God of the living.
V.28-34 This man understood that obedience to God is more important than offering God sacrifices.
V.35-37 The answer to this question proves that Jesus is Divine. He is Lord of David, as God. He is the Son of David, as Man.
V.41-44 The poor woman is noticed by the Lord. Read 2 Samuel 24, the middle of verse 24. To follow the Lord will cost us something. This chapter has shown us many classes of people, and what the Lord thought of each. The woman is devoted to a place. In Mark 14:3,3And being in Bethany in the house of Simon the leper, as he sat at meat, there came a woman having an alabaster box of ointment of spikenard very precious; and she brake the box, and poured it on his head. (Mark 14:3) a woman is devoted to a Person!
V.10, 24, 26 In each an appeal to go to the Scriptures.